:root{--bg:#0d1117;--panel:#161c24;--panel-2:#1c2430;--border:#2a3441;--text:#e6edf3;--dim:#8b98a5;--pos:#3fb950;--neg:#f85149;--accent:#58a6ff;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0}body{background:var(--bg);color:var(--text);line-height:1.45}.app{max-width:960px;margin:0 auto;padding:24px 16px 48px}header{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:20px;display:flex}h1{letter-spacing:.5px;font-size:26px}.tagline{color:var(--dim);font-size:14px}h2{margin:28px 0 10px;font-size:16px}.tabs{gap:6px;display:flex}.tab{background:var(--panel);color:var(--dim);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:8px 18px;font-size:15px}.tab-active{color:var(--text);border-color:var(--accent);background:var(--panel-2)}.loading,.chart-empty{color:var(--dim);text-align:center;padding:48px 0}.error{border:1px solid var(--neg);background:#3d1d1f;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:14px}.pos{color:var(--pos)}.neg{color:var(--neg)}.dim{color:var(--dim);font-size:13px;font-weight:400}.unit{color:var(--dim);margin-left:3px;font-size:.55em;font-weight:400}.snapshot{background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--dim);border-radius:10px;grid-template-columns:1.1fr 1.6fr;gap:20px;margin-bottom:18px;padding:18px 20px;display:grid}.snapshot-pos{border-left-color:var(--pos)}.snapshot-neg{border-left-color:var(--neg)}.snapshot-label{color:var(--dim);text-transform:uppercase;letter-spacing:1px;font-size:13px}.snapshot-big{font-variant-numeric:tabular-nums;font-size:44px;font-weight:700}.snapshot-readout{margin-top:4px;font-size:14px}.snapshot-facts{grid-template-columns:repeat(3,1fr);align-content:center;gap:14px;display:grid}.fact-label{color:var(--dim);font-size:12px}.fact-value{font-variant-numeric:tabular-nums;margin:2px 0;font-size:20px;font-weight:600}.fact-note{color:var(--dim);font-size:12px}.controls{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:10px;display:flex}.heatrate{flex:1;min-width:300px}.heatrate-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.heatrate-title{color:var(--dim);margin-right:4px;font-size:14px}.heatrate-value{font-variant-numeric:tabular-nums;margin-left:auto;font-size:15px;font-weight:600}.heatrate input[type=range]{width:100%;accent-color:var(--accent);margin:8px 0 2px}.heatrate-note{color:var(--dim);font-size:12px}.ranges{gap:6px;padding-top:2px;display:flex}.chip{background:var(--panel);color:var(--dim);border:1px solid var(--border);cursor:pointer;border-radius:999px;padding:5px 12px;font-size:13px}.chip-active{color:var(--text);border-color:var(--accent);background:var(--panel-2)}.chart-wrap{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px 10px 4px}.chart-wrap svg{width:100%;display:block}.grid{stroke:var(--border);stroke-width:1px}.zero{stroke:var(--dim);stroke-width:1.5px;stroke-dasharray:5 4}.zero-label{fill:var(--dim);text-anchor:end;font-size:11px}.line{fill:none;stroke:var(--pos);stroke-width:2px}.line-neg{stroke:var(--neg)}.fill-pos{fill:var(--pos);opacity:.12}.fill-neg{fill:var(--neg);opacity:.14}.axis-y{fill:var(--dim);text-anchor:end;font-variant-numeric:tabular-nums;font-size:11px}.axis-x{fill:var(--dim);text-anchor:middle;font-size:11px}.cursor{stroke:var(--dim);stroke-width:1px}.dot-pos{fill:var(--pos)}.dot-neg{fill:var(--neg)}.chart-readline{font-variant-numeric:tabular-nums;align-items:center;gap:16px;min-height:34px;padding:8px 6px;font-size:13px;display:flex}.compare{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.compare-card{background:var(--panel);border:1px solid var(--border);cursor:pointer;text-align:left;color:var(--text);border-radius:10px;padding:12px 14px}.compare-active{border-color:var(--accent);background:var(--panel-2)}.compare-head{justify-content:space-between;align-items:baseline;margin-bottom:6px;display:flex}.compare-name{font-size:15px;font-weight:600}.compare-spread{font-variant-numeric:tabular-nums;font-size:18px;font-weight:700}.compare-sub{color:var(--dim);margin-top:4px;font-size:12px}.spark{width:100%;height:44px}.spark-line{fill:none;stroke:var(--accent);stroke-width:1.5px}.spark-zero{stroke:var(--border);stroke-width:1px;stroke-dasharray:3 3}footer{color:var(--dim);border-top:1px solid var(--border);margin-top:28px;padding-top:14px;font-size:12px}@media (width<=720px){.snapshot,.compare{grid-template-columns:1fr}}.freshness{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--border);border-radius:8px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;padding:8px 12px;font-size:12px;display:flex}.freshness-warn{border-left-color:#d29922}.freshness-bad{border-left-color:var(--neg)}.freshness-sources{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.freshness-item{cursor:default;align-items:center;gap:6px;display:flex}.freshness-label{color:var(--text)}.freshness-age{color:var(--dim);font-variant-numeric:tabular-nums}.freshness-right{align-items:center;gap:12px;margin-left:auto;display:flex}.dot{background:var(--dim);border-radius:50%;flex:none;width:8px;height:8px}.dot-live{background:var(--pos);box-shadow:0 0 0 3px #3fb9502e}.dot-ok{background:var(--pos)}.dot-syncing{background:var(--accent)}.dot-lagging{background:#d29922}.dot-stale{background:var(--neg)}.dot-pulse{animation:1.4s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.coverage{color:var(--dim);font-variant-numeric:tabular-nums}.coverage-warn{color:#d29922}.refresh-btn{padding:4px 12px;font-size:12px}.refresh-btn:disabled{opacity:.5;cursor:default}.snapshot-inputs{grid-template-columns:repeat(3,1fr);align-content:center;gap:16px;display:grid}.input-group{border-left:2px solid var(--border);padding-left:10px}.group-tag{text-transform:uppercase;letter-spacing:1px;color:var(--dim);margin-bottom:6px;font-size:10px;font-weight:600}.group-observed{color:var(--pos)}.group-assumed{color:#d29922}.input-group:has(.group-observed){border-left-color:var(--pos)}.input-group:has(.group-assumed){border-left-color:#d29922}.input-row{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.input-name{color:var(--dim);font-size:12px}.input-val{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:15px;font-weight:600}.input-sub{color:var(--dim);opacity:.8;margin:0 0 8px;font-size:11px}.assumptions{border:1px dashed #4a3f22;border-radius:8px;flex:1;min-width:320px;padding:10px 12px}.assumptions-head{text-transform:uppercase;letter-spacing:1px;color:#d29922;margin-bottom:8px;font-size:11px;font-weight:600}.assumption+.assumption{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.assumption input[type=range]{accent-color:#d29922;width:100%;margin:8px 0 2px}.basis-hub{color:var(--dim);font-size:12px}.chip-reset{padding:2px 8px;font-size:11px}.observed{margin-top:28px}.observed-head h2{margin:0 0 10px}.observed-grid{grid-template-columns:1.5fr 1fr;align-items:start;gap:16px;display:grid}.observed-main{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--pos);border-radius:10px;padding:10px 12px}.price-chart{width:100%;display:block}.price-line{fill:none;stroke:var(--accent);stroke-width:2px}.price-fill{fill:var(--accent);opacity:.1}.price-mean{stroke:var(--dim);stroke-width:1px;stroke-dasharray:4 4}.observed-caption{color:var(--dim);margin-top:4px;font-size:11px}.observed-stats{grid-template-columns:1fr 1fr;gap:10px;display:grid}.obs-stat{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:8px 10px}.obs-stat-label{color:var(--dim);font-size:11px}.obs-stat-value{font-variant-numeric:tabular-nums;margin:2px 0;font-size:17px;font-weight:600}.obs-stat-note{color:var(--dim);font-size:10px;line-height:1.3}.implied{background:var(--panel-2);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;flex-wrap:wrap;align-items:center;gap:18px;margin-top:12px;padding:12px 16px;display:flex}.implied-label{text-transform:uppercase;letter-spacing:1px;color:var(--dim);font-size:11px}.implied-value{font-variant-numeric:tabular-nums;font-size:30px;font-weight:700}.implied-text{flex:1;min-width:260px;font-size:13px}.observed-flag{color:#d29922;border:1px solid #4a3f22;border-radius:8px;margin-top:10px;padding:8px 12px;font-size:12px}@media (width<=720px){.snapshot-inputs,.observed-grid{grid-template-columns:1fr}}.about{border:1px solid var(--border);background:var(--panel);border-radius:10px;margin-bottom:14px}.about-toggle{text-align:left;cursor:pointer;width:100%;color:var(--text);background:0 0;border:none;align-items:center;gap:8px;padding:10px 14px;font-family:inherit;font-size:13px;font-weight:600;display:flex}.about-chevron{color:var(--dim);font-size:11px}.about-body{max-width:78ch;padding:0 16px 16px;font-size:13.5px;line-height:1.6}.about-body p{color:#c9d4de;margin-bottom:10px}.about-lead{font-size:15px;color:var(--text)!important}.about-body h3{text-transform:uppercase;letter-spacing:1px;color:var(--dim);margin:16px 0 6px;font-size:12px}.about-body ul{color:#c9d4de;margin:0;padding-left:18px}.about-body li{margin-bottom:6px}.about-body strong{color:var(--text)}.about-cols{grid-template-columns:1fr 1fr;gap:22px;display:grid}.about-caveats{opacity:.9;font-size:12.5px}.formula{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin:12px 0;padding:12px 14px;overflow-x:auto}.formula-line,.formula-units{white-space:nowrap;font-variant-numeric:tabular-nums;align-items:baseline;gap:8px;display:flex}.formula-line{font-size:15px;font-weight:600}.formula-units{color:var(--dim);margin-top:3px;font-size:10.5px}.formula-units span{font-weight:400}.f-out{color:var(--accent)}.f-obs{color:var(--pos)}.f-asm{color:#d29922}.f-op{color:var(--dim);font-weight:400}.tag-obs,.tag-asm{text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;border-radius:4px;padding:1px 6px;font-size:10px;font-weight:600}.tag-obs{color:var(--pos);border:1px solid var(--pos)}.tag-asm{color:#d29922;border:1px solid #d29922}@media (width<=720px){.about-cols{grid-template-columns:1fr;gap:0}}